Lifestyle and environmental factors are an important influence on healthy ageing.
Lifelines collected many variables within this section, organized in the following subsections:

1. Alcohol use
2. Chronotype (MCTQ)
3. Chronotype (MEQ/CCTQ)
4. Drug use
5. Earthquakes
6. Electronic device use
7. Exposure to air pollution (linkage)
8. Exposure to noise (subjective)
9. Exposure to noise (linkage)
10. Exposure to radiation
11. Exposure to smoking
12. Hobbies & activities
13. Home environment (general)
14. Informal care
15. Internet use (CIUS)
16. Lifestyle (Covid-19)
17. Mobile phone use (MOB)
18. Neighbourhood (PLE)
19. Nighttime screen use
20. Parenting
21. Pets & livestock
22. Physical activity (general)
23. Physical activity (sports)
24. Physical activity (SQUASH)
25. Self-monitoring
26. Sedentary behavior (MSQ)
27. Self-regulation
28. Shiftwork
29. Sleep (general)
30. Sleep quality (PSQI)
31. Sleepiness (ESS)
32. Smoking & tobacco use
33. Smoking derivatives
34. Values, beliefs, priorities
35. Volunteer work (general)
36. Volunteer work (VFI)